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Merge "Initializing reference list for every P/B slice." into mnc-dev am: 3477b8e0d7 am: d98f1cf41b

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am: 18c5ca6984

Change-Id: I73166eeeef0bca83dcd38af1c5529e5f5647de30
This commit is contained in:
Marco Nelissen 2017-06-06 20:41:47 +00:00 • committed by android-build-merger
commit 3cc8a48116
5 changed files with 5 additions and 42 deletions
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2
decoder/ih264d_api.c
View file

@ -969,7 +969,6 @@ void ih264d_init_decoder(void * ps_dec_params)
ps_dec->ps_cur_sps = NULL;
ps_dec->u1_init_dec_flag = 0;
ps_dec->u1_first_slice_in_stream = 1;
ps_dec->u1_first_pb_nal_in_pic = 1;
ps_dec->u1_last_pic_not_decoded = 0;
ps_dec->u4_app_disp_width = 0;
ps_dec->i4_header_decoded = 0;
@ -1886,7 +1885,6 @@ WORD32 ih264d_video_decode(iv_obj_t *dec_hdl, void *pv_api_ip, void *pv_api_op)
ps_dec->cur_dec_mb_num = 0;
ps_dec->cur_recon_mb_num = 0;
ps_dec->u4_first_slice_in_pic = 1;
ps_dec->u1_first_pb_nal_in_pic = 1;
ps_dec->u1_slice_header_done = 0;
ps_dec->u1_dangling_field = 0;

17
decoder/ih264d_parse_bslice.c
View file

@ -1405,22 +1405,9 @@ WORD32 ih264d_parse_bslice(dec_struct_t * ps_dec, UWORD16 u2_first_mb_in_slice)
ps_slice->u1_num_ref_idx_lx_active[0] = u4_temp;
ps_slice->u1_num_ref_idx_lx_active[1] = ui_temp1;
}
/* Initialize the Reference list once in Picture if the slice type */
/* of first slice is between 5 to 9 defined in table 7.3 of standard */
/* If picture contains both P & B slices then Initialize the Reference*/
/* List only when it switches from P to B and B to P */
{
UWORD8 init_idx_flg = (ps_dec->u1_pr_sl_type
!= ps_dec->ps_cur_slice->u1_slice_type);
if(ps_dec->u1_first_pb_nal_in_pic
|| (init_idx_flg & !ps_dec->u1_sl_typ_5_9)
|| ps_dec->u1_num_ref_idx_lx_active_prev
!= ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0])
ih264d_init_ref_idx_lx_b(ps_dec);
if(ps_dec->u1_first_pb_nal_in_pic & ps_dec->u1_sl_typ_5_9)
ps_dec->u1_first_pb_nal_in_pic = 0;
}
ih264d_init_ref_idx_lx_b(ps_dec);
/* Store the value for future slices in the same picture */
ps_dec->u1_num_ref_idx_lx_active_prev =
ps_dec->ps_cur_slice->u1_num_ref_idx_lx_active[0];

18
decoder/ih264d_parse_pslice.c
View file

@ -1977,23 +1977,7 @@ WORD32 ih264d_parse_pslice(dec_struct_t *ps_dec, UWORD16 u2_first_mb_in_slice)
UWORD8 uc_refIdxReFlagL0 = ih264d_get_bit_h264(ps_bitstrm);
COPYTHECONTEXT("SH: ref_pic_list_reordering_flag_l0",uc_refIdxReFlagL0);
/* Initialize the Reference list once in Picture if the slice type */
/* of first slice is between 5 to 9 defined in table 7.3 of standard */
/* If picture contains both P & B slices then Initialize the Reference*/
/* List only when it switches from P to B and B to P */
{
UWORD8 init_idx_flg = (ps_dec->u1_pr_sl_type
!= ps_dec->ps_cur_slice->u1_slice_type);
if(ps_dec->u1_first_pb_nal_in_pic
|| (init_idx_flg & !ps_dec->u1_sl_typ_5_9)
|| ps_dec->u1_num_ref_idx_lx_active_prev
!= ps_cur_slice->u1_num_ref_idx_lx_active[0])
{
ih264d_init_ref_idx_lx_p(ps_dec);
}
if(ps_dec->u1_first_pb_nal_in_pic & ps_dec->u1_sl_typ_5_9)
ps_dec->u1_first_pb_nal_in_pic = 0;
}
ih264d_init_ref_idx_lx_p(ps_dec);
/* Store the value for future slices in the same picture */
ps_dec->u1_num_ref_idx_lx_active_prev =
ps_cur_slice->u1_num_ref_idx_lx_active[0];

8
decoder/ih264d_parse_slice.c
View file

@ -284,10 +284,8 @@ WORD32 ih264d_start_of_pic(dec_struct_t *ps_dec,
{
dec_err_status_t * ps_err = ps_dec->ps_dec_err_status;
if(ps_dec->u1_sl_typ_5_9
&& ((ps_cur_slice->u1_slice_type == I_SLICE)
|| (ps_cur_slice->u1_slice_type
== SI_SLICE)))
if((ps_cur_slice->u1_slice_type == I_SLICE)
|| (ps_cur_slice->u1_slice_type == SI_SLICE))
ps_err->u1_cur_pic_type = PIC_TYPE_I;
else
ps_err->u1_cur_pic_type = PIC_TYPE_UNKNOWN;
@ -1034,14 +1032,12 @@ WORD32 ih264d_parse_decode_slice(UWORD8 u1_is_idr_slice,
u1_slice_type = u4_temp;
COPYTHECONTEXT("SH: slice_type",(u1_slice_type));
ps_dec->u1_sl_typ_5_9 = 0;
/* Find Out the Slice Type is 5 to 9 or not then Set the Flag */
/* u1_sl_typ_5_9 = 1 .Which tells that all the slices in the Pic*/
/* will be of same type of current */
if(u1_slice_type > 4)
{
u1_slice_type -= 5;
ps_dec->u1_sl_typ_5_9 = 1;
}
{

2
decoder/ih264d_structs.h
View file

@ -897,11 +897,9 @@ typedef struct _DecStruct
/* slice Header Simplification */
UWORD8 u1_pr_sl_type;
UWORD8 u1_sl_typ_5_9;
WORD32 i4_frametype;
UWORD32 u4_app_disp_width;
WORD32 i4_error_code;
UWORD8 u1_first_pb_nal_in_pic;
UWORD32 u4_bitoffset;
/* Variables added to handle field pics */